CN110469272B - Reaming and recovering device for pile foundation casing follow-up construction - Google Patents
Reaming and recovering device for pile foundation casing follow-up construction Download PDFInfo
- Publication number
- CN110469272B CN110469272B CN201910698052.3A CN201910698052A CN110469272B CN 110469272 B CN110469272 B CN 110469272B CN 201910698052 A CN201910698052 A CN 201910698052A CN 110469272 B CN110469272 B CN 110469272B
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- Prior art keywords
- pile foundation
- casing
- construction
- foundation casing
- short steel
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- 238000010276 construction Methods 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000005553 drilling Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 abstract description 12
- 230000000903 blocking effect Effects 0.000 abstract description 11
- 239000002689 soil Substances 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 description 11
- 230000003014 reinforcing effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
- E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
- E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a reaming and recovering device for pile foundation casing follow-up construction, which comprises: the short steel casing can be sleeved and fixed on the pile foundation casing; the retaining pieces are arranged at the bottom of the side wall of the short steel protective cylinder at intervals along the circumferential direction of the short steel protective cylinder, the longitudinal sections of the retaining pieces are L-shaped, and one end of the gasket is fixedly connected to the short steel protective cylinder; and the drilling sheets are arranged in one-to-one correspondence with the blocking sheets respectively, are positioned between the short steel protective cylinder and the blocking sheets in opposite directions, and are rotatably connected to the blocking sheets. According to the reaming device for the pile foundation casing follow-up construction, the drill bit is arranged so that the reaming aperture of the pile foundation casing is larger than the inner diameter of the pile foundation casing, and the existence of the gap between the pile foundation casing and the soil body enables the frictional resistance between the pile foundation casing and the soil body to be effectively reduced when the pile foundation casing is pulled out upwards at a later stage, so that the pile foundation casing is convenient to pull out.
Description
Technical Field
The invention relates to the technical field of pile foundation construction, in particular to a reaming and recovering device for pile foundation casing follow-up construction.
Background
The pile foundation casing follow-up method is a technical method which can ensure smooth construction of a pile foundation and avoid quality accidents such as shrinkage, pile breakage and the like, and is often applied to pile foundation construction under weak geology.
It is not necessary for the end-bearing pile to retain the pile casing.
However, after the construction is completed by adopting the traditional pile foundation casing following method, the inserted pile foundation casing is difficult to be directly pulled out basically due to the double friction resistance of soil and concrete, and if the pile foundation casing cannot be recycled, a large amount of resources can be wasted.
Disclosure of Invention
To above-mentioned problem, now provide a pile foundation protects a reaming and recovery unit for section of thick bamboo follow-up method construction, aim at effectively realizing the recycle of pile foundation construction and later stage pile foundation protects a section of thick bamboo.
The specific technical scheme is as follows:
the invention provides a reaming device for pile casing follow-up construction, which is characterized by comprising the following components:
the short steel casing can be sleeved and fixed on the pile foundation casing;
the baffle plates are arranged at the bottom of the side wall of the short steel protective cylinder at intervals along the circumferential direction of the short steel protective cylinder, the longitudinal section of each baffle plate is L-shaped, and one end of each baffle plate is fixedly connected to the short steel protective cylinder; and
the drill plates are arranged in one-to-one correspondence with the blocking pieces respectively, the drill plates are oppositely positioned between the short steel protective cylinder and the blocking pieces, and the drill plates are rotatably connected to the blocking pieces.
Foretell pile foundation protects a tub reaming device for follow-up method construction still has such characteristic, and reaming device still includes a plurality of fixed pins, and the fixed pin sets up with the drill plate one-to-one respectively, and the fixed pin includes:
the fixed rod can be arranged on the drill bit in a penetrating way; and
two fixation nuts that are located the dead lever both ends, fixation nut screwed connection is on the dead lever, and the dead lever passes through fixation nut centre gripping on the separation blade.
The reaming device for the pile foundation casing follow-up construction method further has the characteristics that the drill bit is provided with the through holes, and the fixing rod penetrates through the through holes to be arranged on the drill bit.
The reaming device for the pile foundation casing follow-up construction further has the characteristic that the aperture of the penetrating hole is larger than the rod diameter of the fixing rod.
The reaming device for the construction of the pile foundation casing follow-up method also has the characteristic that the cross sections of the separation blade, the drill bit and the fixed rod are arc-shaped.
A second aspect of the present invention provides a pile casing follow-up method construction recovery apparatus, comprising:
the two ends of the fixing ring are provided with fastening buckles;
the reinforcing pieces are arranged on the fixing ring at intervals along the circumferential direction of the fixing ring; and
and the hoisting rods are arranged in one-to-one correspondence with the reinforcing sheets respectively, one ends of the hoisting rods are spirally connected to the reinforcing sheets, and hoisting holes are formed in the other ends of the hoisting rods.
The beneficial effect of above-mentioned scheme is:
according to the reaming device for the pile foundation casing follow-up construction, the drill bit is arranged so that the reaming aperture of the pile foundation casing is larger than the inner diameter of the pile foundation casing, and the existence of the gap between the pile foundation casing and the soil body enables the frictional resistance between the pile foundation casing and the soil body to be effectively reduced when the pile foundation casing is pulled out upwards at a later stage, so that the pile foundation casing is convenient to pull out.
Drawings
Fig. 1 is a schematic structural diagram of a hole enlarging device for pile foundation casing follow-up construction provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of a baffle plate provided in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a drill bit provided in an embodiment of the present invention;
FIG. 4 is a schematic structural view of a retaining pin provided in an embodiment of the present invention;
fig. 5 is a schematic use diagram of a reaming device for pile casing follow-up construction provided in an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a recovery device for pile casing follow-up construction according to an embodiment of the present invention.
In the drawings: 1. a short steel casing; 2. a baffle plate; 3. drilling a sheet; 4. a fixing pin; 5. fixing the rod; 6. fixing a nut; 7. perforating holes; 8. a fixing ring; 9. fastening a buckle; 10. a reinforcing sheet; 11. hoisting the rod; 12. hoisting holes; 13. pile foundation casing; 14. and (4) holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 4, a hole enlarging device for pile casing follow-up construction provided in an embodiment of the present invention includes: the short steel pile casing 1 can be sleeved and fixed at the bottom of the side wall of the pile foundation pile casing 13 in a spot welding manner; a plurality of baffle pieces 2 are arranged at the bottom of the side wall of the short steel protective cylinder 1 at intervals along the circumferential direction of the short steel protective cylinder 1, the longitudinal section of each baffle piece 2 is L-shaped, and one end of each baffle piece is fixed on the short steel protective cylinder 1 in a spot welding manner; and a plurality of drill bits 3, drill bit 3 respectively with separation blade 2 one-to-one setting, drill bit 3 is located short steel and protects between section of thick bamboo 1 and the separation blade 2 relatively, and drill bit 3 rotates and connects on separation blade 2.
As shown in fig. 1 to 5, in the present invention, before inserting the pile casing 13, the drill plate 3 needs to be rotated outward so that one side of the drill plate facing the pile casing 13 can lean against the other end of the blocking plate 2 (before inserting, the pile casing 13 can be vertically lifted so that the drill plate 3 in the hole enlarging device maintains the above state under the soil supporting effect), and then the pile casing 13 is driven into the soil layer by using the vibration hammer, because the drill plate 3 extends outward and the soil resistance effect is achieved, when the pile casing 13 is driven into the soil layer by using the vibration hammer, the drill plate 3 can maintain the above state and be inserted and driven at the periphery of the pile casing 13 to form the annular hole 14 (the outer diameter of the hole 14 is the actual hole edge formed by inserting and driving). After pile foundation pile casing 13 is inserted and beaten and is submerged in the geology, the user can be fixed in this pile foundation pile casing 13 with another pile foundation pile casing 13 spot welding on and continue to insert and beat can.
The rotary design of the drill bit 3 in the invention enables the drill bit to rotate and be in a vertical state under the action of self gravity in the subsequent recovery process of the pile foundation casing 13, so as to reduce the frictional resistance with soil.
The existence of the circular hole 14 in the invention ensures that the pile foundation casing 13 only bears the frictional resistance of the initial setting concrete in the pile foundation casing 13 in the subsequent process of lifting and recovering the pile foundation casing 13. Compared with the use of the pile foundation casing 13 with the conventional design, the pile foundation casing can reduce or even avoid the resistance generated by the secondary contact with the soil body on the periphery of the hole 14 formed by inserting and punching, thereby being quicker and more convenient to recover.
The blocking piece 2 with the L-shaped longitudinal section can also keep the drill bit 3 in the above state during the inserting and beating.
Specifically, the reaming device further comprises a plurality of fixing pins 4, the fixing pins 4 are respectively arranged in one-to-one correspondence with the drill bits 3, and the fixing pins 4 comprise: the fixing rod 5 is arranged on the drill bit 3 in a penetrating manner; the fixing rod 5 is arranged on the drill bit 3 in a penetrating mode through a penetrating hole 7 in the drill bit 3, the drill bit 3 can be arranged between the short steel protective cylinder 1 and the blocking piece 2 after penetrating, the fixing nut 6 is screwed to enable the fixing nut 6 to be attached and clamped on the blocking piece 2, and then the drill bit 3 can be connected to the blocking piece 2.
In the invention, the cross sections of the baffle plate 2, the drill plate 3 and the fixing rod 5 can be optimized to be arc-shaped so as to facilitate the joint installation of related parts.
The invention also provides a recovery device for the construction of the pile foundation casing follow-up method, which is used for realizing the recovery and utilization of the pile foundation casing after reaming, and specifically, as shown in fig. 6, the recovery device for the construction of the pile foundation casing follow-up method provided by the invention comprises: the fixing ring 8 is provided with fastening buckles 9 at two ends of the fixing ring 8, and the fixing ring 8 can be fastened to form a circular ring shape through the fastening buckles 9; the reinforcing pieces 10 can be attached to the pile foundation casing, and the reinforcing pieces 10 are arranged on the fixing ring 8 at intervals along the circumferential direction of the fixing ring 8; and a plurality of hoisting rods 11, hoisting rods 11 respectively with strengthen piece 10 one-to-one setting, hoisting rods 11's one end spiral pass strengthen piece 10 after again spiral connection on pile foundation protects a section of thick bamboo 13, be equipped with hole for hoist 12 on its other end. In the invention, when the pile foundation casing 13 is recovered, only the fixing ring 8 needs to be fixed on the pile foundation casing 13 by using the fastening buckle 8, the reinforcing sheet 10 can be attached to the pile foundation casing 13 (in the invention, the reinforcing sheet 10 can also be spot-welded on the pile foundation casing 13 to enhance the structural strength), the hoisting rod 11 penetrates through the reinforcing sheet 10 and is spirally connected to the pile foundation casing 13, finally, the hoisting steel rope penetrates into the hoisting hole 12 to hoist and hoist the pile foundation casing 12, and the hoisted pile foundation casing 12 can be recycled by electric welding and cutting. According to the invention, the reinforcing sheet 10 is arranged to reinforce the lifting point area, so that the lifting safety is ensured. The combined use of the reaming device and the recovery device can effectively realize the recovery and utilization of the pile foundation casing, so as to effectively save resources. The recovery device can be disassembled for reuse after the recovery is finished.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a pile foundation protects a reaming device for section of thick bamboo follow-up method construction which characterized in that includes:
a short steel casing (1) which can be sleeved and fixed on the pile foundation casing;
the baffle plates (2) are arranged at the bottom of the side wall of the short steel casing (1) at intervals along the circumferential direction of the short steel casing (1), the longitudinal section of each baffle plate (2) is L-shaped, and one end of each baffle plate is fixedly connected to the short steel casing (1); and
a plurality of drill pieces (3), drill piece (3) respectively with separation blade (2) one-to-one sets up, drill piece (3) are located relatively short steel protects a section of thick bamboo (1) and between separation blade (2), just drill piece (3) rotate connect in on separation blade (2).
2. The reaming device for the construction of the pile foundation casing follow-up method according to claim 1, wherein the reaming device further comprises a plurality of fixing pins (4), the fixing pins (4) are respectively arranged corresponding to the drill bits (3) one by one, and the fixing pins (4) comprise:
the fixing rod (5), the said fixing rod (5) can be worn and located on the said drilling bit (3); and
two fixation nuts (6) located at two ends of the fixation rod (5), wherein the fixation nuts (6) are spirally connected to the fixation rod (5), and the fixation rod (5) is clamped on the separation blade (2) through the fixation nuts (6).
3. The reaming device for the construction of the pile foundation casing follow-up method according to claim 2, wherein a through hole (7) is formed in the drill plate (3), and the fixing rod (5) is arranged on the drill plate (3) in a penetrating mode through the through hole (7).
4. The reaming device for the construction of the pile foundation casing follow-up method according to claim 3, wherein the diameter of the through hole (7) is larger than the diameter of the fixing rod (5).
5. The reaming device for the follow-up construction of the pile casing according to any one of claims 2 to 4, wherein the cross sections of the baffle plate (2), the drill plate (3) and the fixing rod (5) are arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698052.3A CN110469272B (en) | 2019-07-31 | 2019-07-31 | Reaming and recovering device for pile foundation casing follow-up construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698052.3A CN110469272B (en) | 2019-07-31 | 2019-07-31 | Reaming and recovering device for pile foundation casing follow-up construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110469272A CN110469272A (en) | 2019-11-19 |
| CN110469272B true CN110469272B (en) | 2020-10-23 |
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| CN201910698052.3A Active CN110469272B (en) | 2019-07-31 | 2019-07-31 | Reaming and recovering device for pile foundation casing follow-up construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115182342B (en) * | 2022-09-13 | 2022-11-29 | 山东鲁中公路建设有限公司 | Pile foundation construction process and device applied to unfavorable geology |
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